Selectively clear the browser cache and saved cookies. Choose from all objects or those associated with a given domain.

Choose direct links to W3C specification references, the Internet Explorer team weblog (blog), and other resources.

Display a fully featured design ruler to help accurately align and measure objects on your pages.

Find the style rules used to set specific style values on an element.

View the formatted and syntax colored source of HTML and CSS.

The Developer Toolbar can be pinned to the Internet Explorer browser window or floated separately. This Beta 3 version of the toolbar contains functionality and stability enhancements over previous versions, including:

Style Tracer: Right mouse click on a style value for an element and select Style Tracer to find the style rule that is effecting that value.

CSS Selector Matches: View a report of all style rules set and how many times they are used on the current page.

View Source: View the formatted and syntax colored source of the original page, currently rendered page, element or element with the styles that are effecting it.